MoCo Bought a rifle that usually takes AICS mags. It came w/ one PMAG10 AC. Thats very very long if utilizing prone (TIL AICS mags are one stack.) I want to get several 5rd versions. Searching online I discover magpul has new 'Sig Cross' versions w/ a follower that has a little bit feed lip with the entrance to assist if loading singles from the ej